Finding the Fourth Proportional to 713,489.36, 984,646.07 and 426,954.29
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Solution
The fourth proportional to 713,489.36, 984,646.07 and 426,954.29 is: 589,215.32
Step by Step Solution
- Step 1: Write the proportion equation
713,489.36 : 984,646.07 = 426,954.29 : x - Step 2: Convert to fraction form
713,489.36/984,646.07 = 426,954.29/x - Step 3: Cross multiply
713,489.36x = 984,646.07 × 426,954.29 - Step 4: Simplify right side
713,489.36x = 420,398,856,660.14 - Step 5: Solve for x
x = 420,398,856,660.14/713,489.36 - Step 6: Final answer
x = 589,215.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.